Paul J. Salem transferred 6,131 shares of common stock to the Reporting Person for no consideration on the Transaction Date.

(2)

Peter Osgood Wilde, Jr. transferred 6,131 shares of common stock to the Reporting Person for no consideration on the Transaction Date.

(3)

The Reporting Person, as: (i) management company to Providence Equity Partners V L.P. ("PEP V") and Providence Equity Partners V-A L.P. ("PEP V-A"); (ii) management company to Providence Equity Partners IV L.P. ("PEP IV") and Providence Equity Operating Partners IV L.P. ("PEOP IV"); (iii) management company to each of the members of PEP EDMC L.L.C ("PEP EDMC"), whose members are PEP V, PEP V-A, PEP IV and PEOP IV; and (iv) beneficial owner of shares held by Paul J. Salem and Peter Osgood Wilde, Jr. as nominees for the Reporting Person, may be deemed to indirectly own: (a) 32,317,772 shares of common stock directly held by PEP V; (b) 5,104,728 shares of common stock directly held by PEP V-A; (c) 2,675,590 shares of common stock directly held by PEP IV; (d) 8,629 shares of common stock directly held by PEOP IV; (e) 740,880 shares of common stock directly held by PEP EDMC;

(4)

(Continuation of Footnote 3) - (f) 2,761 shares of common stock directly held by Peter Osgood Wilde, Jr.; and (g) 2,761 shares of common stock directly held by Paul J. Salem. The Reporting Person disclaims beneficial ownership of these securities and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for the purposes of Section 16 or for any other purpose, except to the extent of his pecuniary interest therein.

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